90% of the page loading time is spent on retrieving CSS, JavaScript and images. There are lots of techniques to reduce this, but using a CDN is the most effective. Currently it's expensive to integrate with a CDN (especially if you want to avoid vendor lock-in) and it's hard to serve file A from a CDN, file B from a static file server and file C from neither. In this session, you'll learn about the push-to-CDN model, which makes all of this trivial.